Metaled-end concrete pipe



Secon on a. img/ev: scale; 8 is *frag menary section. en saaie miter-Mmmm@ `wel? .the ring i@ of ih@ 24, en'zbedded 21 of he imm? surface o@ne am. ufthe projecting' pm'ton of Y so hm fue Fing i5 of im@ Sectionadjacent Eu'cem clearance bewen Haring Surface mymduca sm' or paredshoudev, and ibis coca. s @face a its: onwil en@ joins with @Lamai eyimzm surface all 21, E,

and 23 being' ntena with 1e bmi-2 wuts mst L of the hl'eacs, :Eo hm anyreason 1i besoins@ necessmy 10 op joint, ai'ter chipping out the cementfilling 2e, it Vwill be possible to move the nuts 3i. ,l i

I claim as my invention:

l. in. a concrete pipe, an embedded metal bell having a spigot-receivingportion which is internally tapered to provide a taperedpacking-receiving shoulder, an end ilang'e, clamping ,bolts projectingoutwardly through said flange with their heads einbedded in theconcrete, a metal spigot eni- :bedded in the concreteifoiined with anex- -posed outer' cylindrical surface which may ,be received in thespigot-receiving portion 'of an adjacent'bell, and a metal.packingengaging ring arranged around the spigot and adjacent thepacking-receiving surface and arranged to be clamped against the packingby saidbolts to force the packing into the tapered opening between theouter surfaces of the spigot and the tapered inner surface the belln j y2. ln a concrete pipe, an embedded metal bell having a spigot-receivingportion which is internallj tapered to provide a taperedpacking-receiving shoulder', an end flange, clamping bolts projectingoutwardly through said flange, a metal spigot einbedded iii thevconcrete formed with an e2;- posed outer cylindricalsurface which maybe received in the spigot-receiving portion of an adjacent bell, and ametal packingengaging ring arranged around the spigot end adjacent thepacking-receiving surta-ce and arranged to be clamped against thepacking by said bolts to force the packing into the tapered openingbetween the outer surfaces of the spigot and the tapered inner surfaceof the bell. f

3. In a concrete pipe, an embedded metal bell having a spigot -receivingportion which is internally tapered to provide a taperedpacking-receiving shoulder, an end flange, clamping bolts projectingoutwardly through said lange, a metal spigot embedded in the concreteformed with' an exposed outer cylindrical surface which. may bereceivedin the spigot-receiving portion of au 'portion being providedwith a pacltin ifioiaoa action oit nuts cooperating with said bolt-s,l

et said end engaging said pressure toes bearing flange and against saidparlii ring on opposite sides ot sai 4t. in ya concrete ii )e an en l ibell having a spigot-receiving j i,

i; (je, heb:

" led inetal ion, sai d ceiving shoulder, an und iiangc, cli` ,iig boltsprojecting outwardly through said iiange, a nietal spigot embedded iiithe concrete iorined with an exposed outer cylindrical. surface whichniajY be received in the spigot-receiving portion of an adjacent bell, ametal packing-engaging ring arranged varound the spigot end adjacent thepackingreceiving surface, and pressure toes through which said boltsproject so that the pressure toes are tilted by the action of nutscooperating With said bolts, said pressure toes bearing against said endliange and against said packing-engaging ring on opposite sides ofsaidbolts, the openings in said pressure toes being filled with grease.

. A concrete pipe structure comprising Effi an embedded metal bellhaving an internal exposed tapered packingrcceiving shoulder, a spigotwhich may be received within said bell, @packing-engaging ringsurrounding said spigot, and pressure means between said bell and saidring for forcing said ring toward sai d/tapered shoulder to clamp apacking ring between the outer 'faces ot the spigot andthe taperedshoulder.

/ln Witness whereof, i, CoLnisiAiv Muniwn'riiiin, have hereunto set myhand at Louisville,` Kentucky, this eighth day of March, ifi. yD., onethousand nine hundred and twenty-one. l

GOLES/IAN liiEltiilVElliElt.

"Witnessesz' n J.. B. HLissoriLAonn, E. Riot-rangen,

